CVE-2015-2739

critical
Published 2015-07-06 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

The ArrayBufferBuilder::append function in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, and Thunderbird before 38.1 accesses unintended memory locations, which has unspecified impact and attack vectors.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2015/mfsa2015-66.html

OS impact

OSVersionStatusFixed in
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu14.10affected
ubuntu ubuntu15.04affected
debian debian7.0affected
debian debian8.0affected
suse suse11affected
suse suse12.0affected

Application impact

VendorProductVersionsFixed
mozillafirefox{"endIncluding":"38.1.0"}
novellsuse_linux_enterprise_software_development_kit12.0
mozillafirefox31.0
mozillafirefox31.1.0
mozillafirefox31.1.1
mozillafirefox31.3.0
mozillafirefox31.5.1
mozillafirefox31.5.2
mozillafirefox31.5.3
mozillafirefox38.0
mozillafirefox_esr31.1
mozillafirefox_esr31.2
mozillafirefox_esr31.3
mozillafirefox_esr31.4
mozillafirefox_esr31.5
mozillafirefox_esr31.6.0
mozillafirefox_esr31.7.0
mozillathunderbird{"endIncluding":"38.0.1"}

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.